A kicker kicks a football from the 5-yard line to the 45- yard line (both on the same half of the field). Neglecting air resistance, where along the trajectory is the speed of the football a minimum?
(a) at the 5-yard line, just after the football leaves the kicker’s foot
(b) at the 45-yard line, just before the football hits the ground
(c) at the 15-yard line, while the ball is still going higher
(d) at the 35-yard line, while the ball is coming down
(e) at the 25-yard line, when the ball is at the top of its trajectory
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