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Merging, overtaking, etc..

Safely merging and overtaking doesn't involve hard accelerations, though. Unsafely doing those things, sure.

Can you imagine passing a tractor going 35 on a 55 two-lane country road in a 2500 lb car with 110 horsepower?

Uh, yeah? You wait until you know there are no oncoming cars, or until the tractor slows down to let you pass.