That's completely ridiculous. Gravity and acceleration are not the same thing at all. Einstein would turn in his grave if someone actually thought he said that.
ur kidding right? i took u for a slightly logical human being...
gravity does equal acceleration!
for those of you who cant understand...ill try to explain, but don't go nitpicking on wat i say! :evil:
gravity is really an accelerating force that pushes us down at approximately 9.8 m/s^2 as the engineer stated. "gravity" is just a fancy word for acceleration, and it has stayed in the vocab of languages because before it was found to be acceleration people just couldn't figure out what kept them on the ground, so they referred to it as something completely different to acceleration, calling it "gravity."
think of it this way: if gravity was not acceleration there would be two options for why we fall back to earth (or other planets, etc), firstly would be that we are simply attracted by it...as ancient phylosophers wrote "earth attracts earth, air attracts air"
this is bull quite obviously, so the other reason we are being pushed downwards is if gravity was actually force: but as F=ma...that would mean gravity has a mass? now i don't see some fatarse gravity sitting on us and pushing us down at 9.8 m/s^2!!!
HOWEVER we do FEEL a force wen acted upon by gravity, as do all other objects with mass: look at the above equation of F=ma and think about it: if we feeeeeel a force of gravity...and we have mass...then obviously the only thing missing is acceleration (gravity itself, the force we feel is simply a product of us having mass).
thats as simple as i can explain it...sorry if it wasn't done very well