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Old 09-09-2012, 04:05 PM   #23
tank_job
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Join Date: Apr 2012
Posts: 995
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Quote:
Originally Posted by akamc View Post
Hitting a falling ball gives you a higher vertical velocity component of contact relative to a rising racquet, generating more topspin in your serve. It's all about finding your best personal compromise for what you are trying to accomplish.
very very sketch.

On the other hand, I have a feeling you would have to reverse the downwards momentum of the incoming ball when brushing upwards on it, making it harder to hit topspin.
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