A Car Travels Counterclockwise Around a Flat Circle of Radius

Multiple Choice

A car travels counterclockwise around a flat circle of radius 0.25 km at a constant speed of 20 m/s. When the car is at point A as shown in the figure, what is the car's acceleration?

A) 1.6 m/s2, south
B) zero
C) 1.6 m/s2, east
D) 1.6 m/s2, north
E) 1.6 m/s2, west