The air resistance is a square function, the power required to overcome is a cube function.

Alistair

> On Mar 30, 2015, at 4:43 AM, Larry Alofs <lalofs@GMAIL.COM> wrote:
> 
> That's interesting.  I thought it went as the square.
> 
> Larry A.
> 
> 
> On Sun, Mar 29, 2015 at 11:32 PM, David Beierl <dbeierl@attglobal.net>
> wrote:
> 
>> At 09:23 AM 3/29/2015, Dennis Haynes wrote:
>> 
>>> Wind resistance is such a large force to overcome you still use power to
>>> get
>>> down most descents. I really see this effect with the motor home. It take
>> 
>> And that goes up with the cube of speed, eight times for every
>> doubling of speed.
>> 
>> Yrs,
>> d
>>