LynnBlakeGolf Forums - View Single Post - Pace, Pressure, Rhythm, Flails, Delivery Paths, Acceleration and Pulley Sizes Thread: Pace, Pressure, Rhythm, Flails, Delivery Paths, Acceleration and Pulley Sizes View Single Post #86 06-12-2007, 04:04 AM PBH Junior Member Join Date: Oct 2005 Posts: 9 Originally Posted by annikan skywalker You got the gist.... Reread definitions ....Angular Velocity/Angular acceleration vvery related to RPM's if not just looking through another pair of spectacles... No low pitches....just curves balls that start at the head and end in the dirt...but then again ...watch out for the hard "high and tighty" Angular Velocity and RPM are different definitions of the same thing. Surface speed = Angular velocity * radius, the unit is m/s Surface speed = (2 * radius * pi * RPM)*60, the unit is m/s PBH View Public Profile Send a private message to PBH Find all posts by PBH