There is ample evidence for a continent suture in the Urals. It connects to the Tethys at its southern end. It is indeed fast. Well, big deal. That is all that Rose quotes.
Nothing is presented to suggest that the actual rate at which India drifted is impossible.
In fact, this topic is dealt with quite well in Meert et al. That is not outside the realm of possibility, especially considering the unique nature of the breakup of Pangaea. There is no indication that either of these numbers are hard limits. In fact Meert et al. You would expect that the collision of such a rapidly-moving continent would produce a dramatic effect, and it has.