The velocity of an oscillating charge as it moves to and fro along a wire is _____?

The velocity of an oscillating charge as it moves to and fro along a wire is _____?

جب کسی تار کے ساتھ ساتھ حرکت ہوتی ہے تو اس کی رفتار _____ ہے؟
Explanation

In oscillatory motion, such as that of an oscillating charge, velocity varies continuously.

It is zero at extreme positions and maximum at the mean position, so it is changing.