If you were to video a the same scheduled airliner for two weeks you would have a darn good idea of where his V1 and VR points on the runway will be.
“If you were to video a the same scheduled airliner for two weeks you would have a darn good idea of where his V1 and VR points on the runway will be.”
Nope. If you knew anything about large aircraft you wouldn’t have said such a thing. That point changes significantly.