Q:

What is the top speed of the x-15

Answer

The X-15's flights set records that still have not been broken four decades later are a top speed of Mach 6.7 (4520 mph). ChaCha!

Categorized In: Air Travel

Source: X-15: Hypersonic History | www.sierrafoot.org

May 19 2009, 10:53am

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