Even cartoon physics would not allow a vest to go downward over the front legs, make contact with the ground, and continue to move forward when the contact braking point would be the vest material, thus pushing the vest rearward as the body continued forward.
Even cartoon physics would not allow a vest to go downward over the front legs, make contact with the ground, and continue to move forward when the contact braking point would be the vest material, thus pushing the vest rearward as the body continued forward.