Question

A 100kg shot putter is putting a shot 4kg. Just before he releases the shot, he is in the air (feet are off the ground). At this instant, the only force he exerts against the shot is an 800N horizontal force directed forward.

a-what is his horizontal acceleration at this instant?
b-what is his vertical acceleration at this instant?
c-what is the shots horizontal acceleration at this instant?
d-what is the shots vertical acceleration at this instant?