How to Calculate Ball Speed A simple way of calculating ball speed is to time how long it takes for the ball to travel the length of the lane. The lane length is 60 feet (18.3 m) from the foul line to the pins. Using a stopwatch, you need to time how long it takes from ball release till pin strike. The ball speed is calculated dividing the distance by the time. If the time was 3 seconds, the average speed will be 60/3 = 20 feet per second (6.1 m/sec). Of course this is only the average ball speed, the speed of the ball at the time of release would be greater. The ball speed would decrease along the length of the lane due to friction. Another way of calculating ball speed is from video analysis. You will need to have video footage from directly side-on, a calibration mark that can be viewed on the screen, and you need to know the frame rate of the video. See calculating distance from a video. The procedure is similar to calculating segment velocities on the bowling biomechanics pages.
Posted on: Sat, 07 Sep 2013 07:17:24 +0000
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