<|system|>
What is the drift velocity of electrons in a $1 \mathrm{~mm} \mathrm{Cu}$ wire carrying $10 \mathrm{~A}$?</s>.
<|user|>
Can you answer based on context?
<|assistant|>
It is $10^{-2} \mathrm{~cm} / \mathrm{sec}$.