| Your question and answer both look appropriate to me. Speed: "The rate or a measure of the rate of motion" - American Heritage Dictionary on the use of the term "speed" in physics. That's why the Canuck has beef with "high rate of speed", since speed already implies rate. Translated, that would be "high rate of rate of motion". :) SS
____________________________________________________ We face formidable challenges. I am not afraid of them. I am prepared for them. 
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