At a rate of knots Australia British informal prepositional phrase
Very speedy or rapidly
James drove into the city at a rate of knots when he heard about his brother accident.
Calm down! You're talking at a rate of knots.
We’re progressing at a great rate of knots due to efforts we made after a long period of studying.
Very fast.
Very quick
Very rapidly and eagerly
The phrase came from the mid 17th century when ships' speed was calculated in knots. A knot is one nautical mile per hour. From the mid 19th century, the phrase was extended to mean very fast or quickly.
To be outperformed or outrun by someone, usually by a very wide margin.
You have to be quicker to finish this task or you will eat other my dust.