.8, 5.1, 5.2a Part 1 of 2 O Points: 0 of 1 Say You and a companion are driving a twisty stretch of road in a car with a speedometer but no odometer. To find out how long this Time (s) Velocity (ft/s) Time (s) Velocity (f road is, you record the car's velocity at 10-second intervals. 0 0 70 23 10 13 80 40 20 49 90 46 30 17 100 38 40 31 110 25 50 36 120 32 60 17 a. Estimate the length of the road using left-endpoint values