Water is pouring into the conical vessel 15 cm deep and having a radius of 3.75 cm across the top. If the rate at which the water rises is 2cm/sec, how fast is the water flowing into the conical vessel when the water is 4 cm deep? (A 2.37 m cube per sec (B 5.73 m cube per sec C) 6.28 m cube per sec (D 4.57 m cube per sec

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