A cylindrical tank holds 20,000 gallons of water, which can be drained from the bottom of the tank in 20 minutes. The function 31:) =2oooo(1 %)2 gives the volume Vof water (in gallons) in the tank at time tin minutes, where time t= 0 corresponds to the instant the tank starts to drain. At time 1': 3 minutes, the water is draining out of the tank at an instantaneous rate of: O A. 1700 gallons/minute O B. -1800 gallons/minute O C. 1800 gallons/minute O D. 2200 gallons/minute O E. - 2200 gallons/minute