Diagram (top view) shows progression of various quantities as the ball moves down the lane:<br><ul><li>ball speed and direction (size and direction of brown arrows),<br></li>
<li>rev rate (size of blue arrows),<br></li>
<li>axis rotation (direction of blue arrows)<br></li>
<li>graph: convergence of the ball's forward (translational) speed and rev rate (rotational speed).</li></ul>
<a href="//commons.wikimedia.org/wiki/User:RCraig09" title="User:RCraig09">RCraig09</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>