at a rate of knots sentence in Hindi

Examples

1. Paul Maclnnes of " The Guardian " stated, " While the duo deliver hard-nosed disses at a rate of knots.
2. We should not forget that English is evolving ( degenerating, some would say ) at a rate of knots, and you never know we might soon all have to speak Padanese if Bossi has his way.
3. Then there's the morning glory which escaped through the conservatory roof and was last seen heading for the sky at a rate of knots, am I really going to have to wrap the whole of the back of the house in bubble wrap?