Water is draining from the bottom of a cone-shaped funnel at the rate of 0.3 ft/sec The height of the funnel is 6 ft and the radius at the top of the funnel is 2 Clearly show all work to nd the rate at which the height of the water in the funnel is changing when the height of the water is 2ft? Note: The volume of a cone is V 12k =7rr 3