Didnt David Toms discuss focussing on the amount of time the ball rolled as his gauge for distance control and feel in his Playing Lessons with the Pros right down the street from you Mr. Blake.
I think it was on number 8, the par 3 at Oconee if my memory serves me right.
Delivery speed is so important, and uphill puts tend to move away from the hole as they slow down, where as downhill puts tend to move towards it, so, to combat gravity and slope, uphill puts might tend to enter the hole with a bit more speed. Maybe.