93.08 mph at that rate.
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Divide 78/72 to give miles per minute. Then multiply by 60 to give miles per 60 minutes or miles per hour. 78 miles in 72 minutes = 65 mph.
Time = Distance/Speed = 78/75 = 1.04 hours
Just under 95 minutes
43 + 78 = 121 43 - 78 = -35 43 x 78 = 3354 43/78 = 0.551282
Convert 78 mph to meters per second: 78 mph=35 meters/second The acceleration of earths gravity is 9.8 meters per second squared. This is constant. Therefore, using basic calculus, the velocity of a falling object is equal to 9.8 meters per second times the time it has fallen. 9.8*T=35 T=3.6 Thus, it takes roughly three and a half seconds for the average human body to accelerate to 78 miles per hour (assuming wind drag is inconsequential).