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Old 7th August 2018 | 01:54
  #289 (permalink)  
Wizofoz
 
Joined: Jun 2001
Posts: 4,835
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From: Boldly going where no split infinitive has gone before..
Originally Posted by Jet_Fan
As you love wiki so much, let's see what it has to say about groundspeed:



What is 50 - 60?
ET TU Wiki-

https://en.wikipedia.org/wiki/Speed

in everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.

A position can't have a negative rate of change.
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