Test jet sets new air speed record

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Originally Posted by MattGarner

Another way you could look at it is:

http://i49.tinypic.com/2e3zrkp.png

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Looks like my calculation was pretty spot on considering I used 50,000ft :)

according to engadget it was hoped it would reach mach 6 but it o ly reached mach 5 in the end due to the acceleration problem. Not that that is not still insane!