Correction for the speed of The TGV (train)
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How fast is 925 times the speed of light?
It's about 3,000,000,000 times as fast as The TGV (train)

The speed of The TGV (train) is about 0.000000300 times the speed of light.
(Train à Grande Vitesse) (for SNCF TGV Réseau, a.k.a. "Network" model, a.k.a. TGV-R) (maximum speed)