Ben is exercising his pony on a large oval track. The long is trotting at a constant speed of 10 m/s around the track. Which statement can be made about the pony's acceleration

The pony is accelerating around the track. Although the pony's speed is constant, he is repeatedly changing direction. Acceleration is a change in velocity; velocity is speed in a direction.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

im sorry i dont know