Liam and Cindy both started their preparations during this time.

  Compared to their first time on the Hyper Velocity Coaster, they were mentally prepared and wouldn't be caught off guard like before.

  Liam took deep breaths, first completely relaxing his body, and then tensing it up again.

  Counteracting high G-forces was also a very effective method.

  Cindy was also adjusting her physical state. Although not as professional as Liam, she was well-prepared.

  "Here it comes!" Liam said solemnly.

  Unknowingly, the roller coaster had climbed to the highest point of the track and began to slowly slide down!

  Cindy took a deep breath, and then heard a "boom" next to her ear!

  When she reacted, the wind rushed towards them, hitting their faces like sharp blades, scraping their cheeks painfully.

  The scenery on both sides of the roller coaster flashed past in afterimages, speeding through their field of vision.

  At this moment, they were like nearsighted people, everything blurred, like looking at the world outside through a foggy window, barely able to distinguish what things were.

  "Haha!"

  "Sure enough, I'm going to conquer this place!"

  Liam folded his hands together, blocking the wind, and laughed loudly.

  On this roller coaster, the results of his hard training during this period were finally showing.

  His body could withstand up to 9G of acceleration.

  With the protection of the protective suit, he could even make other movements with ease.

  "Now you know, my reputation as the roller coaster killer is not just for show!"

  "That Jake, remember to prepare my $10,000 bonus!"

  Cindy's face was pale, but it could also be seen that under the protection of the protective suit, her condition was not too bad.

  She couldn't be as comfortable as Liam, but she smiled faintly.

  The voices and laughter were transmitted through the built-in communication system in the protective suit and echoed in Jake and Liam's ears in the control room.

  "Boss, it seems you're going to crash this time!" Liam patted Jake on the shoulder and said, "Jake, everyone makes mistakes, no one is perfect. You're always thinking about tricking people, but eventually you will fail."

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  Jake turned his head and looked at Liam curiously, and asked, "Aren't you afraid I'll throw you on there?"

  Liam smiled faintly and said, "Cindy, a girl, can withstand it wearing a protective suit, how can I, a big man, not be able to do it?"

  "Oh? You said that yourself, don't blame me for being merciless later!" Jake laughed.

  "Threatening me?" Liam curled his lips and said, "Let's go then, who's afraid of who!"

  When he said this, Liam felt extremely happy.

  In the past, he was always tricked by the boss.

  It was time to stand up and take back everything with interest!

  Besides, seeing the boss crash was pretty cool for Liam.

  It's just a pity that he didn't personally make the boss crash.

  At this moment, Liam suddenly regretted it. If he had known there was such a good thing as a protective suit, he would have gone up.

  "Wait." Jake said lightly.

  Just as Liam was about to press his advantage, the roller coaster had reached the 360-degree loop stage.

  "Boom!"

  A thunderous sound exploded.

  Liam hurriedly turned his head to look over.

  At this moment, he saw the roller coaster turn into a beam of light, passing through the 360-degree loop at an incredible speed.

  The speed was so fast that there was almost no time to react.

  "This..." Liam was stunned and said, "Why is it so fast? What's with that sound?"

  "That's the sound of breaking the sound barrier." Jake said calmly.

  "Breaking the sound barrier?!"

  Liam exclaimed.

  As a person who has experienced nine years of compulsory education, although not a student majoring in aircraft, he still knows some basic physics.

  As far as he knows, the speed of sound is over a thousand kilometers per hour.

  Breaking the sound barrier means that the speed of the roller coaster exceeds the speed of sound.

  "Did the roller coaster just exceed a thousand kilometers per hour? How is that possible!" Liam stood up abruptly, his eyes widened like copper bells, unable to believe this conclusion.

  "Whether you believe it or not, the facts are here." Jake said.

  At the moment when the roller coaster exceeded the speed of sound, those who felt it most directly were not Liam and Jake, but the two people on the roller coaster.

  The two only felt the roller coaster shake violently, and then instantly flew out.

  At this moment, they felt that their eyes had lost their function, they could not see anything, the only thing they could distinguish in the world in front of them was color.

  Their bodies also endured tremendous pressure at this moment.

  The acceleration of a roller coaster traveling at 500 kilometers per hour is already as high as 9G, and the acceleration of a roller coaster exceeding the speed of sound is even higher, instantly breaking through the sky.

  If the two were not wearing professional protective suits, their eyes would probably be squeezed out of their sockets and burst at this moment, and their internal organs would not be able to withstand the huge pressure and be squeezed into pieces.

  Even with the protective suits protecting them.

  Both of them felt that their bodies had reached their limit.

  Their eye sockets were sunken, almost half of their eyeballs were exposed to the air, and blood vessels were congested and red, spread around the pupils.

  Under this huge pressure, it was extremely difficult for the two of them to even lift a finger. Their chests felt like a dragon-breaking stone was pressing on them, and they couldn't even breathe.

  What made the two even more frightened was that they couldn't hear any sound anymore.

  They seemed to be in the universe, no matter whether it was a meteorite collision or a spectacular scene of a star exploding, there were only magnificent pictures, but no sound.

  A feeling of emptiness and loneliness surged from all directions.

  Cindy looked around in horror, desperately opened her mouth, but couldn't hear any sound.

  What's going on?

  Have I awakened the bloodline of the descendants of deaf people?

  Or did my eardrum not withstand the huge pressure and say to all the organs: "I'm cracking."

  Compared to Cindy's horror, Liam had more shock in his heart.

  When he was trained at the pilot academy, he learned relevant knowledge and had a full understanding of this phenomenon.

  That's why he was shocked!

  It's just a roller coaster, how could such a phenomenon occur!

  Isn't this a phenomenon that only occurs when piloting a supersonic fighter jet?