A car is entering the highway, and accelerates in the first 30 seconds, as follows: time (in seconds) 12 18 24 30 speed (in meters per second) 10 16 20 23 25 Use a Riemann sum, with 5 equal...

Extracted text: A car is entering the highway, and accelerates in the first 30 seconds, as follows: time (in seconds) 12 18 24 30 speed (in meters per second) 10 16 20 23 25 Use a Riemann sum, with 5 equal subintervals, to underestimate the distance travelled by the car over these 30 seconds. Would you use left- or right-endpoints in your estimation? Explain.