Your physics are all messed up, I mean
if he leans forward he should move forward,
and backwards backwards,
look at how a jackhammer would propel someone,
it just doesn't add up.
Flip the direction and it would at least make sense.
unless you've ever taken a ride on a JackHammer you shouldn't be so sure about that.
newgrounds.com — Your #1 online entertainment & artist community! All your base are belong to us.