A person walks first at a constant speed of 5.10 m/s along a straight line from point @ to point and then back along the line from @ to @ at a constant speed of 3.25 m/s. (a) What is her average speed over the entire trip? -4.513513514 | & Use the symbol d to represent the distance between points 4 and B. The average speed is defined as the total distance traveled divided by the total time interval. m/s (b) What is her average velacity over the entire trip? m/s Need Help