Not being a smartass here . . . but is pushing as HARD AS YOU CAN really what you want to do?
Sometimes when you want to hit it realllllly far
But not always, you regulate your "thrust" or your "punch" for the amount of distance you want. just like if you wanted to knock someone out or jab them, you'd exert different kinds of forces.
__________________
I'm not a TGM or PGA certified Pro, but I did stay at a Holiday Inn Express last night