# Acceleration Of A Ball (Changing Directions)

Acceleration is regarded as a change in velocity, so what will be the acceleration of this ball in the figure, as its magnitude is constant, but the direction is changing.

• $a=dv/dt$ , i.e change in velocity / time duration – Koolman Dec 10 '17 at 11:06

If the curved bit of your trajectory is an arc of a circle radius $R$ then the magnitude of the acceleration is $\frac{30^2}{R}$ - centripetal acceleration in appropriate units - and its direction is towards the centre of the circle.
That evaluation of $\frac {d\vec v}{dt}$ might have to be done numerical rather than analytical.