A Bicyclist Moves Around a Circular Track at a Constant

Multiple Choice

A bicyclist moves around a circular track at a constant [or unchanging] speed. The bicyclist has

A) non- zero velocity but zero acceleration.
B) zero velocity and zero acceleration (in other words, no acceleration) .
C) non- zero velocity and non- zero acceleration.
D) zero velocity but non- zero acceleration.
E) the heebie- jeebies.