Oh boy. Put a hard 35 caliber round nose bullet through the lungs and you had better go find some hiking boots, and some good dogs.
I put the numbers into the Hornady ballistics calculator. At 250 yards, I come up with 1475 fps for a BC of .25, and 1550 for a BC of .30. It is likely that bullet is somewhere in there. Lets call it 1500 fps. I think you will be just fine. If you want to be sure, shoot a nice soft dirt/clay backstop at 250 yards, and dig up the bullets. That will give you a good idea on how well they expand.