【单选题】A car in a drag race started from rest and accelerated constantly to a velocity of 50 m/s when it reached the end of a 500-m road. What was the car’s rate of acceleration?
【单选题】A car in a drag race started from rest and accelerated constantly to avelocity of 50m/s when it reached the end of a 500m road. What was thecar’s rate of acceleration?