Originally Posted by my58vw
I hit 48 MPH going down a long hill in a residential zone today on my road bike, chasing the fast pack... what a rush!
I typically hit speeds of 38 - 40 MPH spinning out a 53-12

Wouldn't pedaling disrupt the air flow and actually slow you down on a steep downhill?
Anything above 40-50 mph or so downhill and it's all weight being dragged down by gravity. Pedaling seems to slow me down.