The Grand Theft Auto series has always shown a penchant for disregarding the laws of physics with a certain flare.
Every iteration of the open-world series, since Grand Theft Auto III, has gleefully shown its capacity for some of the most entertaining rag-doll physics in video games. A gravity optional approach to the worlds of Liberty City and Los Santos seem to be the order of the world.
Even Grand Theft Auto V, with its impressive scale and scope, was home to some of the most flagrant gravitational disregarding.
Here's the proof you need that Rockstar Games doesn't respect the fundamental laws of the universe.