# Hyperloop : pie in the sky or is it time?

**URL:** <https://boards.straightdope.com/t/hyperloop-pie-in-the-sky-or-is-it-time/666116>\
**Category:** Factual Questions\
**Created:** [August 13, 2013, 6:37am UTC](https://boards.straightdope.com/t/hyperloop-pie-in-the-sky-or-is-it-time/666116 "2013-08-13T06:37:17Z")\
**Posts on this page:** 1\
**Showing post:** 295

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**Author:** ![Whack-a-Mole](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/whack-a-mole/32/141_2.png) [@Whack-a-Mole](https://boards.straightdope.com/u/Whack-a-Mole)\
**Post date:** [December 23, 2023, 1:45am UTC](https://boards.straightdope.com/t/hyperloop-pie-in-the-sky-or-is-it-time/666116/295 "2023-12-23T01:45:45Z")

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> [@md-2000](#):
>
> Simple physics suggests that the potential speed cannot be realized in an urban area, it takes too long a distance to reach airline speeds unless acceleration is drastic.

At 1g of acceleration it would take 500 seconds (8.3 minutes) to reach 500 mph and about 75.5 miles to achieve. Doesn’t seem terrible and, I assume, it could accelerate faster comfortably.

But yeah, nitpick, Hyperloop has so many other problems (many you noted).

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