The rabbit's speed is y.
When the time for the wolf to run 100+60 is less than the time for the rabbit to run 60 meters, the wolf can catch up with the rabbit.
Namely 160/x
Get x/y > =8/3.
That is, when the speed of the wolf is 2.67 times that of the rabbit, the wolf can catch up with the rabbit. Otherwise, you can't #