Answer | Crossword Clue |
---|---|
MACH | Term referring to the speed of sound. |
MACHI | Speed-of-sound term. |
MACH | It's calculated relative to the speed of sound |
SONIC | Of a speed equal to the speed of sound. |
YEAGER | First pilot to fly faster than the speed of sound |
CHUCKYEAGER | First pilot to travel faster than the speed of sound |