

How did you calculate that? The question didn’t even mention a specific speed, just “near the speed of light”.
The kinetic energy for a grain of sand near the speed of light is somewhere between “quite a lot” and “literally infinity” (which is, in a sense, the reason you can’t actually reach light speed without a way to supply infinite energy).
Training LLMs on text which has been generated by an LLM is actually pretty problematic. The model can easily collapse, becoming completely useless. That’s why they always try and source really clean training data, which is becoming increasingly difficult