$\"\"$

Find the angular speed in radians per second.

For each revolution bicycle makes an angle of rotation is $\"\"$ .

For $\"\"$ revolutions bicycle makes an angle of rotation is $\"\"$ .

Time taken for $\"\"$ revolutions is $\"\"$ seconds.

Angular speed : $\"\"$ .

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

angular speed is $\"\"$ .

Correct answer is J.

$\"\"$

Correct answer is J.