Hypersonic XL (Arizona Kingdom)

Hypersonic XL is a steel roller coaster at Arizona Kingdom in Tucson, Arizona.

Ride experience
The launch sequence begins with the retracting of the brake fins as the train attaches to the catch car. An American accented voice announces, "Place your heads back, face forwards, hold on tight and brace yourself." The message is repeated as five red lights turn on one by one, before shouting "Three, two, one. Go, go, go!" The lights turn green and the train accelerates to 80 mph in 1.9 seconds into a steep, vertical top hat element. The train then turns 90 degrees to the left and descends the top hat element into another 90 degree turn. A second bunny hop hill follows producing a brief moment of weightlessness before the train enters the brake run and returns to the station.

Roll backs
As with many Intamin Launch Coasters, Stealth experiences occasional roll backs. Roll backs occur when a train is unable to complete the course, specifically failing to make it over the top hat element as a result of energy loss. Occurrences are rare, and there is a braking system in place on the launch side of the track to safely bring the roller coaster back to a complete stop.