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For aircraft speeds which are much greater than the speed of sound, the aircraft is said to be hypersonic. Typical speeds for hypersonic aircraft are greater than 3000 mph and Mach number M greater than five, M > 5. We are going to define a high hypersonic regime at M > 10 to account for re-entry aerodynamics.
Supersonic means faster than the speed of sound, while hypersonic means specifically five times faster than the speed of sound. Therefore, all hypersonic speeds are also supersonic, but something supersonic is not necessarily hypersonic.
Answer and Explanation: No, Stephen King's It is not based on a true story. King had the idea for It when looking at an old wooden walking bridge in 1978 near his home in Boulder, Colorado.
The Clown Motel is a clown-themed motel along north Main Street in Tonopah, Nevada, which has been referred to as "America's scariest motel". The building is located adjacent to the historic Tonopah Cemetery, where the father of the original owners is buried. The Clown Motel with Tonopah Cemetery visible.