Ever found yourself nudging that accelerator a bit more to save a few extra minutes on the road? Here's a fascinating fact: the difference between sticking to the speed limit on the motorway and pushing it to 80mph may not be as substantial as you might think. However, drop your speed from 50 mph to 40 mph, and suddenly, the impact on your journey time becomes much more noticeable. In summary going from 70mph to 80mph saves you 11.7% of your time, whereas 40mph to 50mph saves you 22.2% of your time.
Why? It's due to speed and time being indirectly proportional, creating a graph that resembles the one below. Once you surpass 70 mph, increasing your speed by an additional 10 mph yields diminishing returns on time saved. So, the next time you contemplate pressing that pedal to the metal on the motorway, ponder whether the marginal time saved is worth the potential consequences—be it a speeding ticket, compromised fuel efficiency, or, in some instances, posing a danger to others on the road
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