This is for my tennis Class
What differences did you find between racquest ball and tennis?

An example is "unlike most racquet sports, such as tennis, there is no net to hit the ball over, and, unlike squash, no tin to hit the ball above."

Explanation:

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be