Spin +Line path motion + click?

 I want a ball to spin while running along a line motion path after the user clicks on the ball. The only way I can make the ball spin while it runs along the line motion path is with a trigger that says  "move ball along motion path when the timeline starts in ball" (see exercise 1). But I want this effect to happen when the user clicks the ball. However, when I add a trigger with these instructions, the ball first spins when the time line of the slide starts and then follows the motion path in static mode. It does not spin while running along the line (see exercise 2). Any suggestions?

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