Originally Posted by genejockey

I remember once, riding with woman who was probably 110lbs soaking wet - about half my weight at the time. We were swapping pulls and we had just reached the top of a mile-plus descent of around 1-2%. She figured it was her turn, so she took the lead and tried to pull, pedaling like mad with me behind her constantly braking to keep from rolling over her. I told her, "Here, let me" and just pulled the rest of the way down the descent. I knew the basic physics, but seeing her struggling to reach 20 mph on a road where I could coast up to 25+ was revealing. I weighed twice as much, but didn't have twice her frontal area.