Answer:
Hit the ball. Leading with your elbow, hit the ball with the heel of your dominant hand as with the basic overhand serve.
Step-by-step explanation:
Directly after you loft the ball, jump upward with your next step, using the momentum from your approach. Bring your hitting arm back with the elbow high and by your ear. Hit the ball. Leading with your elbow, hit the ball with the heel of your dominant hand as with the basic overhand serve.