Because I don't need to prove it is impossible for the earth to accelerate at 9.8 m/s2 for 1 billion years.

Modern science disagrees with you, so yes, you do need to prove it.

Ok here's my point, you can't answer a simple question and back it up. Hell you can't even answer a question. I ask a question about your theory. You who believe your theory answer the question and support it with fact. The question is, what is the current speed of the earth if it has been moving at 9.8 m/s2 for 1 billion years. It's your theory. All I have to say is, if you can't back it up with fact, it must be crap. There's one from the FET book. If it looks like crap and smells like crap, you guessed it, it must be crap.

The question was answered with precision:

Earth's velocity = c * tanh(9.8t/c)

Pick any age of the earth, and that is the speed relative to the starting point.

Roughly 0.999c, with some arbitrary number of .9's, depending on the age you pick.

Your question is crap, because while you have not stated as much, you are indirectly trying to prove that FET is poor because our Earth must be moving super fast, which doesn't make sense to you. And that is crap, because our speed is 100% irrelevant.