F=ma 2018 Part B Problem 1

Past Contests F=ma F=ma - 2018 Part B
1

A large lump of clay is dropped off of a wall and lands on the ground. Which graph best represents the acceleration of the center of mass of the clay as a function of time?

Answer Choices
A. fma2018bq1a
B. nan
C. nan
D. nan
E. fma2018bq1b