The Amusement Park

Use the following writing prompt to inspire you to write a scene.

You and your friends visit a local amusement park. You ride the new roller coaster, The Titan. When the ride rolls to a stop, you exit and try to get your bearings. Suddenly, you notice an unnatural quiet. You look around and notice the ride operator has vanished along with all the people that had been in line before you got on the ride. What happened?