US and Australian scientists tested out a new experimental jet engine over the Aussie outback this week, and it broke Mach 10. That’s 10 times the speed of sound, or 6,835mph, to the laymen out there.
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US and Australian scientists tested out a new experimental jet engine over the Aussie outback this week, and it broke Mach 10. That’s 10 times the speed of sound, or 6,835mph, to the laymen out there.