To minimize the force of impact during collisions of cars, which of the following may be practically done? A. increase collision time by introducing crumple zones B. decrease collision time by making the bumpers more rigid C. make the cars go faster so nobody has to suffer D. decrease collision time by minimizing friction on the road

To minimize the force of impact during collisions of cars, which of the following may be practically done? A. increase collision time by introducing crumple zones B. decrease collision time by making the bumpers more rigid C. make the cars go faster so nobody has to suffer D. decrease collision time by minimizing friction on the road