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If the ball is to drop vertically into a 40mm tube with air flowing at 6bar(does this mean anything?) will it drop in or will it blow back out.

Also I'm not to sure how to calculate the drag force on the TT ball through the air. I need to calculate its range and trajectory. Obviously this will change when spinning. Is it possible to take spinning into account on paper?

Is there a standard integral i need to calculate the drag at each velocity?

Any help will do.

Thanks