5)You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball from rest and see that it takes 1.2s for the ball...

5)You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball from rest and see that it takes 1.2s for the ball to hit the ground below .Your friend then picks up the ball and throws it up to you, such that it just comes to rest in your hands .What is the speed with which your friend threw the ball?