It doesn't matter anyway. The core of the story is that a full-size van hit a car with sufficient force that the van was on top of the car. That takes speed and not paying attention, whether it happened by collision between the vehicles or if the van hit a curb and became airborne before hitting the car. It's not easy lifting the engine end of a Ford van, and hitting a curb with sufficient force to get it airborne so it could land on the car-- figure it for yourself.
Some years back a neighbor of mine got plastered, got into a drag race with a friend, and slid his Corvette underneath a parked Buick. The shape of the Corvette allowed the car to slide under the Buick and may be the only reason my neighbor lived to tell about it, but--- if he had not gotten the car up to speed it never would have lifted the Buick up and over the Corvette. It took considerable energy to do that. The front of a Ford van is flat, and the rear of most Hondas I've seen aren't all that angled. Two nearly flat surfaces meeting....