Using apple watch app Swing for serve mph

iVillain

New User
Hey guys,

Been using Swing app to monitor my shots and give me something to play with after matches.

Can't find any documentation that shows anything other than that the app tracks the 'racket swingspeed'.

Found some anecdotal evidence putting the ratio of racket swing speed and serve speed at 1:1.35 or a serve at 100 mph racket speed would be 135 mph serve speed.

Anyone with any info about this? Any stories?

My serve racket speed is coming up at 90-94 consistently, but my serve speed seems much higher than that and my opponents are claiming it as well. Even had a coach comment on it. Any reliable way to see whats going on?
 
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