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Originally Posted by redpoint5
Still doesn't explain the constant rate of acceleration due to gravity. Gravity can't input more force, and yet you fall at the same rate of acceleration.
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I'd let that go as a talking point.
stefanv does a good job with the Newtonian physics, but consider:
https://en.wikipedia.org/wiki/Potential_energy
Gravity is poorly understood, it is a side effect of the electric nature of the universe, like the
Casimir effect.
Back ontopic, I like shooting past cars immobilized at the light as much as anyone, but just after I got my Superbeetle, I slowed for a red light and a black Jetta behind me sped up, raced past me, pulled back into my lane, realized the light was red, jammed the brakes, went hammer down when it turned green, and then realized I was right on his tail and he
brake-checked me. Like I was invading his personal space.
I hit him square, so the hood was damaged but not the headlights. He pulled over but when I asked about his insurance he remembered he had somewhere to be.
Grrr