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A comment on Boeing 787 Reaches 801 MPH as a Jet Stream Packs Record-Breaking Speeds. Parent comment

Re:Boeing 787 Reaches 801 MPH as a Jet Stream Packs Record-B... by Bendingo on Tuesday February 19, 2019 @05:58PM (#19203798)
> air speed is how fast the people on the plane are going relative to themselves

That makes no sense. How can people be moving relative to themselves?

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Re:Boeing 787 Reaches 801 MPH as a Jet Stream Packs Record-B... by FPGAhacker on Tuesday February 19, 2019 @08:57PM (#19204927)
Themselves meaning the ground observer as that was the point of view GP was speaking about.
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Re:Boeing 787 Reaches 801 MPH as a Jet Stream Packs Record-B... by jazzyjackson on Tuesday February 19, 2019 @06:39PM (#19204139)
relative to their own location Δt ago?
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Re:Boeing 787 Reaches 801 MPH as a Jet Stream Packs Record-B... by cxseven on Wednesday February 20, 2019 @05:32PM (#19212744)
Location with respect to what?
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