You are called as an expert witness in the trial of a trafficviolation. The facts are these: A driver slammed on his brakes andcame to a stop with constant acceleration. Measurements of histires and the skid marks on the pavement indicate that he lockedhis car's wheels, the car traveled 192 before stopping, and thecoefficient of kinetic friction between the road and his tires was0.750. The charge is that he was speeding in a 45 zone.
draw a free body diagram