A street light is at the top of a 18 ft tall pole. A woman 5.25 ft tall walks toward the pole with a speed of 4 ft/sec along a straight path. How fast is the shadow lengthening when she is 30 ft from the base of the pole? (Round answers to 3 decimal places.) sec How fast is the tip of her shadow moving when she is 30 ft from the base of the pole? ( Round answers to 3 decimal places. ) ft sec