You can put this solution on YOUR website! If you go from 0 to 250 MPH in 20 seconds how far would you have traveled
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Assuming the acceleration is constant for the 20 seconds:
Avg speed for 20 secs = 125 mi/hr = 125*22/15 ft/sec = 550/3 ft/sec
(550/3)*20 = 3666.67 feet