Might this be the reason that I've heard complaints about choppiness of pans in The Hobbit at 24 fps? (When they show a 24 fps version of a 48 fps movie, do the

Might this be the reason that I've heard complaints about choppiness of pans in The Hobbit at 24 fps? (When they show a 24 fps version of a 48 fps movie, do they just drop half the frames?)