From this, we can develop a simple strategy. Swim out near to but just shy of the circle. Since we can cover the same angle more quickly than the wolf, we may swim in a circle until the wolf is directly behind us. We can cover the remaining distance of slightly more than in less than the time it takes the wolf to cover its distance of .
To be more precise, we can successfully implement this strategy of first swimming toexactly when . There is a tradeoff. The smaller the we choose in this interval, the faster we can get to the edge of the pond. On the other hand, the larger we choose , the further away the wolf is when we reach the edge.