With “true” anti-gravity, just remember to look out the first few nanoseconds at anything to the immediate West of you.
At the equator, it’s coming at you at about 1000 mph.
Do the math at other latitudes...then throw in all the other various gravitational forces that continue to affect the Earth, and not you.
“At the equator, it’s coming at you at about 1000 mph.
Do the math at other latitudes...”
Ah, so that’s why the secret Nazi UFO base was built at the South pole!