"even though the deer are becoming quicker and are still jumping the string." Deer will keep jumping the string as long as people keep shooting at alert/on the edge deer.

Although come to think of it, maybe the deer are getting faster than a speeding bullet, quicker the speed of light, able to jump tall buildings with every body dumping out "c'mere deer", deer cane "black majic", buck juice, and n-raged feed all over the place for them to eat.