I probably just didn't understand the HUD but to me the tic-tac video I saw behaved a lot like dust in my camera lens. It seemed almost perfectly stationary wit

I probably just didn't understand the HUD but to me the tic-tac video I saw behaved a lot like dust in my camera lens. It seemed almost perfectly stationary within the field of view, and that kind of artifact will of course "travel" at impossible speeds and accelerate in impossible ways.