Use this spread sheet for video analysis to determine a bowler's speed, rev rate, axis tilt and rotation.
Further use this spread sheet for understanding the relation between video frame rate and possible measurement errors when determining rev rate.
Always be aware that measuring the axis tilt using the conventional method (surface arc across the track) will typically yield better results.
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|current||08:12, 6 October 2010||(18 KB)||Mattinthehat|
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