For the ball to fall into the cup, the cup and nearby plank segment must accelerate down faster than g. Make sure nothing obstructs the removal of the stick or the follow-through motion of your hand ...

Left to right: Kaiya Perez, Adison Tompkins and Lexi Klein work with a hockey stick and ball during an activity at the center. "It truly is an inclusion program," Spitz said. "My kids go to a ...