How long to rip a dvd using Handbreak? I'm using a mac G4, tiger os 10.4.11 with 1.07 ghz.?

I picked 2 p encoding. 1st stage took 2 hrs or so. Now, it's on the 2nd stage and it's says ETA 4hrs. Why is this so. I'm only trying to rip a "The Holiday" (136 minutes). Help!