# 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:** 298

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**Author:** ![Chronos](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/chronos/32/134_2.png) [@Chronos](https://boards.straightdope.com/u/Chronos)\
**Post date:** [December 23, 2023, 2:02am UTC](https://boards.straightdope.com/t/hyperloop-pie-in-the-sky-or-is-it-time/666116/298 "2023-12-23T02:02:08Z")

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> [@Whack-a-Mole](#):
>
> At 1g of acceleration it would take 500 seconds (8.3 minutes) to reach 500 mph and about 75.5 miles to achieve.

You might want to check your math, there… I get [23 seconds](https://www.google.com/search?q=500+mph+%2F+%289.8+m%2Fs%5E2%29&sca_esv=593181896&sxsrf=AM9HkKmDPZ-WlgHWNY9wQDPw17DglHjpFQ%3A1703296857115&ei=WT-GZczOBp-JptQP6IeI-Ak&ved=0ahUKEwiM3_Wgu6SDAxWfhIkEHegDAp8Q4dUDCBA&uact=5&oq=500+mph+%2F+%289.8+m%2Fs%5E2%29&gs_lp=Egxnd3Mtd2l6LXNlcnAiFTUwMCBtcGggLyAoOS44IG0vc14yKTIFECEYnwVI1y1Q5gdYsSZwAXgBkAEAmAGWBKAB-Q6qAQk1LjMuMi41LTG4AQPIAQD4AQHCAgoQABhHGNYEGLADwgIGEAAYFhgewgIFECEYoAHCAgUQIRirAuIDBBgAIEGIBgGQBgg&sclient=gws-wiz-serp).

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