2 River currents miles per hour at a certain location are given below The current direction at this location was from the north during the time interval shown and the current did not exhibit any severe fluctuations other than those shown in the chart Time of Day 6 00 AM 6 10 AM 6 20 AM Speed mph 17 20 22 6 30 AM 21 6 40 AM 17 A Using trapezoids estimate the average river current speed from the north from 6 00 AM until 6 40 AM B At approximately what time between 6 00 AM and 6 40 AM would you estimate that the river current had the average velocity C A message in a bottle near this location is released at 6 00 AM Assuming that the bottle travels along with the river s current approximately how far south will the bottle be at 6 40 AM