When prr=1p_{rr}=1prr=1, we would get infinite recursion. When 0<prr<10<p_{rr}<10<prr<1, it is expected to get 1prr\frac{1}{p_{rr}}prr1 bounces. But there is always chances to get large number of bounces if prr>0p_{rr}>0prr>0.
When prr=1, we would get infinite recursion. When 0<prr<1, it is expected to get prr1 bounces. But there is always chances to get large number of bounces if prr>0.