[rola643]

".... a distance D at velocity v is ½cDρADv², where A is the frontal area presented to the wind, ρ = 1.3 kg/m³ is the density of air at sea level, and cD is the coefficient of drag (about 0.8 for a cyclist)"

For the rest of the non-technical at heart here ya go

http://physics.ucsd.edu/do-the-math/2011/11/mpg-of-a-human/#more-587

[bikebum1975]

LOL that just hurt reading that. Either to late or to damn early to try thinking that hard :P

[Dubgurl]

I remember that formula from physics! Never used it, but I remember seeing it haha.

[photosbymark]

Someone's inner nerd is sneaking out

[SixtyPlus]

Ugh! It is too late in the day and in life to absorb that much detail!

[Nigal]