Hypersonic sled sets speed of sound record

Hypersonic sled travels 6,400-feet per second 

It Tested on Arnold Engineering Development Complex High Speed Test Track at Holloman Air Force Base, New Mexico 

Holloman High Speed Test Track Length is 59,971 ft-long (11 mile) 

The Test occurred in late March 

It Travelled five times the speed of sound 

It was a achievement 

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