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I'm sure the ball is number 10.
The last frame at 2:31
I'm sure the ball is number 10.
The last frame at 2:31
...could also be 9, because the XX's wrist looks more bend in the picture from YouTube then in the actual prize picture.
So, the prize picture could have been taken a little later (few milliseconds) in the swing phase, when the wrist angle is getting smaller in the back swing.
And now, when you extrapolate the trajectory from the wirst over point 10, you end at point 9. Voila