Mach 1 is 761.21 mph.
Use this equation to convert Mach to miles per hour: mach x 761.21 = mph
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Ok, let's figure this one out: Assume mach speed is 1,010 feet per second, we could travel 689 miles in one hour. (1010 ft * 60sec *60min) / 5,280 ft = 689 mph rounded. Therefore, 0.81 of mach should be 558.09 mph
Mach 2.34 is equal to 2445 KM/HR or 1548 MPH.
mach 1 = 761.207 mph, so 761.207 * 0.791 = 602.115 mph
How many miles will you travel in an hour at that constant speed? 60/4=15 miles per hour
Your average speed is 7.5 miles per hour.