23 An object is dropped from rest from the top of a 400 m cliff on Earth. If air resistance is negligible, what is the distance the object travels during the first 6 s of its fall?
(A) 30 m
(B) 60 m
(C) 120 m
(D) 180 m
(E) 360 m
(A) 30 m
(B) 60 m
(C) 120 m
(D) 180 m
(E) 360 m