Thread: the difference between 20 mph compared to 25 mph
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Old 09-27-10 | 09:32 AM
  #13  
gregf83
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Originally Posted by Ex Pres
25^2 to 20^2 = 56% more required to overcome just the increase in the speed, not including the other considerations.
The power to overcome aerodynamic drag is proportional to V^3. Drag (force) is proportional to V^2.
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