Question

at what point in its trajectory does a projectile have maximum speed?​

Answer 1

Answer:

In a Trajectory the projectile would have Minimum velocity at Trajectory point ( At the maximum height ) . & Possess Maximum velocity at initial projection point (due to initial acceleration) & at the point when projectile hits the ground . (due to acceleration of Gravity ) .

Hope it helps you...

Answer 2

Answer:

At point of projection and at point of landing