1920x1080 the whole thing goes out of frame when pulling back not 100% of the time but it should happen 0% of the time, I'd be fine with the accel hud on my windshield near the middle like how some racing games have their huds around the center of the car/screen
try increasing your field-of-view in the graphics settings.
It's a graphical effect to give you the impression of movement. Same as the slight zoom in as you decelerate.