Speedometer readings for a vehicle (in motion) at 10-second intervals are given in the table. t (sec) v (ft/s) 0 31 10 25 20 27 30 31 40 23 50 31 Estimate the distance traveled by the vehicle during this 50-second period using the velocities at the beginning of the time intervals. distance traveled feet Give another estimate using the velocities at the end of the time periods. distance traveled feet