By using different amounts of arrest or push, the striker can vary the effective value of k between a few percent to 100% of the distance travelled by the croqueted ball.
(the striker; can vary; the effective value of k between a few percent to 100% of the distance) (the distance; travelled; by the croqueted ball)
the striker the distance
can vary travelled
the effective value of k between a few percent to 100% of the distance
by the croqueted ball