actually yes they are.
scroll down and you can see what happens when you get one of those super cool underdrive pulleys
NA 1.6 Underdrive Pulley? - MX-5 Miata Forum
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if you havent been in a small plane its worst, cause your eyes and brain say we are moving and your body says oh no we are not. eyes and brain go asshole we are moving, cant you see? body says fuck you we are not moving at all. so they fight and fight and eventualy your body says, you know what fuck you brain, see if you can stop this!! then you throw up.