While that maybe an oversimplification, the fact is the laws of physics are unyielding. Imagine this: A 60 pound unbelted child in the back seat of a car traveling at a mere 30 miles per hour is involved in a sudden collision can weigh as much as a young elephant – about 2,700 pounds. That means the child can, during a frontal accident, impact the windshield or the front seat occupant – with deadl...