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You have a ball that is moving in an arc up to the sky then back down (fly ball). Yes, it stops moving UP before it starts down, but it does NOT stop moving laterally. Only if there is no lateral movement will it stop completely. To get no lateral movement, it must be a 180 change of direction.
Same principle if it is dropped to the belly then started up again.
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Rich Ives
Different does not equate to wrong
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