this post was submitted on 17 Aug 2023
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cross-posted from: https://aussie.zone/post/1198065

We can and should be allowed to drive faster on our freeways and motorways; but don’t think governments will let it happen overnight.

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[–] [email protected] 6 points 1 year ago

that isn’t only the case for speeds higher than 80, but for every higher speed

Only if you're talking about air resistance exclusively. I don't know what number it is precisely, but at lower speeds other forces dominate (like efficiency in the gears), and at a certain point air resistance becomes the more dominant force, growing with the cube of velocity. It's certainly possible that the number is 80 km/h.