A slingshot stretched by a distance \(x\) gives a pebble speed \( u\). What is the speed of the same pebble if a slingshot, obeying Hooke's law, is stretched by a distance \(2x\)?

W) v/2

X) v

Y) \(2 u\)

Z) \(4 u\)
Y) \(2 u\)