A Skier Begins Skiing Straight Down a Hill Having a Constant

Multiple Choice

A skier begins skiing straight down a hill having a constant slope,starting from rest.If friction is negligible,as the skier goes down the hill,his/her

A) acceleration is constant,with a value less than 10 m/s/s.
B) acceleration is constant,with a value of roughly 10 m/s/s.
C) acceleration increases with time.
D) acceleration is zero.