We will and thanks for your information
I don't think I understand what your talking about but i think its Irrigation.
Answer:
By vehicle's __kinetic energy__.
Explanation:
The concept of Kinetic energy is: the more energy of motion their vehicle has (speed) the greater will be the force of the impact. Also weight of the vehicle and its occupants represent a factor in a collision, for example; larger and heavier vehicles tend to have greater the energy and momentum and consequently bigger force of impact.