How fast is six times the speed of sound

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Want an ad-free experience? A waverider is a hypersonic aircraft that has a wedge-shaped fuselage designed to improve its supersonic lift:drag ratio by using the shock waves generated by its own flight as a lifting force. The hypersonic vehicle was first carried by a solid-propellant rocket and then separated as its own propulsion system took over.

During the independent flight, the test craft maintained ultra-fast speeds above Mach 5. Mach 6 is six times the speed of sound. The US tested an experimental waverider from to that was designed to reach Mach 6.

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