Fp - (Fa+Fs+Fr+Fb) = ma
The propulsion force of the rider (Fp) counteracted by air speed (a), slope (s), rolling resistance (r), and bump resistance (b, since when hitting a bump we lose energy going over the bump that we do not regain coming down the other side). All of this equals the acceleration of mass (ma).
DQ
I'm sure Donny will have to explain this one alot:)
Peace
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