1. The problem statement, all variables and given/known data What is the average velocity of a runner whose 400 meter lap times are 60, 75, 65 and 60 seconds over a 1500 meter race? 2. Relevant equations 3. The attempt at a solution Is I use v=d/t (would the displacement be 0m beacuse he completed 1 lap? Im a bit confused will I need to average out the 4 times? then divide by 1500m?