A 1500-Kg Vehicle Travels at a Constant Speed of 22

A 1500-kg vehicle travels at a constant speed of 22 m/s around a circular track that has a radius of 85 m.
-Which statement is true concerning this vehicle?

A) The velocity of the vehicle is changing.
B) The vehicle is characterized by constant velocity.
C) The vehicle is characterized by constant acceleration.
D) The vehicle has a velocity vector that points along the radius of the circle.
E) The vehicle has an acceleration vector that is tangent to the circle at all times.