Just as we reject racism sexism ageism and heterosexism we reject speciesism. The species of a sentient being is no more reason to deny the protection of this basic right than race sex age or sexual orientation is a reason to deny membership in the human moral community to other humans.
To understand the intensity of driving an F1 car you have to be in it. When you're driving a 750hp machine at 200mph the noise and the vibrations are incredible. The G-force when you take big corners is like someone trying to rip your head off. You hit the brakes and it feels as if the skin is being pulled off your body.