For all you clever people out there, Does anyone know what Mach 1 is?

Best Answer

speed of sound, approximately 760 mph at sea level but, changes with altitude

Asker's Rating:

kl thanx

Other Answers (4)

• an old mustang, during muscle-car era
• 700 mph or 1225 kmph,,,,pretty fast huh?
• that would be the speed of sound, unless it has become slang for something else.
• that April fool day