It's interesting that we have opinions on both sides of the fence regarding gear choice and cadence as a means to micro-controlling position and velocity when in a drafting situation (i.e., lower gear/higher cadence vs higher gear/lower cadence). I suppose to a great extent it's personal preference. Having a little more pedal resistance works for me, plus it doesn't tax my cardiovascular system as much as excessively fast (for me) spinning would do while trying to maintain a given speed.