On Wed, 02 Nov 2016 23:02:14 -0400, Joy Beeson
wrote:

On Tue, 1 Nov 2016 07:26:35 -0700 (PDT), Frank Krygowski
wrote:

"Aero" is a vague word, of course. But IME moving from the drops to the
aero bar causes a similar increase in speed, perhaps even more.

And sitting up straight and spreading yourself out is a good way to
brake when coasting down a hill.

Yes, I think Frank mentioned that. Downhill speed builds up until the
aerodynamic drag equals the effect of gravity. Based on sky divers
anecdotes that is something like 100 mph. Whoopee!