Although we get hung p on these things today it's not a big issue. 60# and 29.5" draw, using a properly spined arrow, you have enough energy to hunt anything up to and including moose or brown bears. Whether you can place your arrow in the vital chest are is what counts.
As mentioned, a chrono is the accurate way to get true speed. You can then calculate KE from there, but bear in mind that it's just a number.