Originally Posted by
DayGloDago
It's constant rollers/steep hills where I ride. I like to think that I have to put more effort into riding because of those hills, and that they are what keeps my speed down (I'm just now starting to realistically average 15-16MPH)
I think you're half-right.
They are what keeps your speed down.
There's nothing about hills that make you magically able to put more effort into riding. You can slag yourself just as much on flat terrain.