I've found this info about hetch in the booklet to the german DVD-Box of Farscape Season 1:

"Probably 1 Hetch equates to approximately triple to quadruple speed of sound."

Which is translated from this:

"Mit einiger Wahrscheinlichkeit entspricht 1 Hetch etwa der drei- bis vierfachen Schallgeschwindigkeit."

May I post this in this article?

Vorakesh (talk) 22:37, July 1, 2017 (UTC)

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