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Adjusting Your Speed
Problem Solution
Bowling ball is hooking or rolling to early Increase Speed
Bowling ball is skidding to much or not hooking Decrease Speed

Alter Ball Starting Height - One of the simplest ways to adjust ball speed, is to alter the height of the starting position of the bowling ball. You may have heard raising the ball will increase speed, while lowering the ball will decrase speed. However, studies and experience are showing this is opposite of what really works. If you want to increase ball speed, try lowering the bowling ball a few inches and move back on the approach one step. Vice versa, if you want to decrease ball speed, try raising the bowling ball a few inches and moving up one step on the approach. [learn more]
close The theory of raising the ball to increase speed, and lowering the ball to decrease speed, is related to a free armswing. If gravity did all the work, starting the ball higher would create a higher backswing and create more speed, and vice versa for decreasing the speed. The problem is, a completely free armswing is rare, and the change in speed from gravity is so slight, a positive impact is unlikely.

Instead, by lowering the ball to increase speed, your natural timing will come into play. By starting the ball lower, your feet will automatically speed up to keep in time. This faster tempo will generate more ball speed at release. When raising the ball, your footwork will be slower to keep you in time, thus your ball speed will go down.
Increase or Decrease Your Tempo - Another item to alter your ball speed is to simply try and increase or decrease your approach tempo. Increasing your tempo will create more ball speed, while decreasing your tempo will create a slower ball. You can test your tempo changes by using a stop watch from the beginning of your approach to your release.

Calculating Miles Per Hour
Method 1
Use a stop watch to measure the seconds between time of release and the contacting the head pin.
Enter your seconds  example 2 or 3.2 Calculated MPH =

Method 2
Using your video recording, count the number of frames between the release and when the bowling ball contacts the head pin.
Select your camera fps Calculated MPH =
Enter your frame count  example 75 or 80

Method 3
Using your video recording, count the number of frames between the release and when the bowling ball reaches the third arrow.
Select your camera fps Calculated MPH =
Enter your frame count  example 15 or 20
Speed RPM Match Up
SpeedRPMs
15 mph200 rpm
16 mph250 rpm
17 mph300 rpm
18 mph350 rpm
19 mph400 rpm
20 mph450 rpm

Ball Speed Chart
Seconds are measured from the ball being released until it contacts the head pin.

SecondsMPH
1.822.7
1.921.5
2.020.5
2.119.5
2.218.6
2.317.8
2.417.0
2.516.4
2.615.7
2.715.2
2.814.6
2.914.1
3.013.6
3.113.1