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 ::: I still don't know what word you are trying for.  The current version is reminiscent of ""eliminating"", but velocity is eliminated when something stops!  As for the details:  Yes, that is a standard quantum mechanical calculation.  (However, you have your labels reversed as of 1/17/06.  It is the first equation that gives superliminal values, not the second.) In essense, the waves within an object are always superluminal, the the group (which defines the object) travels with the object (and it had better do so).  Since the object/wave group itself cannot travel at c or greater, relativity is not violated by this.  |  "