This video is one of a series that you get to watch in GT5P on the PS3 under GTTV.
And one thing to note with each of these vidoes, is that they are aimed at promoting the GT-R and GranTurismo...
SO when you hear the voice over say "Mr Yamauchi said he had never experienced such power.." they are simply exagerating for dramatic effect... the Guy owns and drives 2 Ford GT's and a numebr of other cars that are far more poweful and violent than the GT-R - so take it all with a pinch of marketing a promotional sat