The Audio Rate Pull Up/Down setting offers all possible combinations of pull ups and pull downs for the audio sample rate, regardless of the session frame rate.
In addition, if there is a QuickTime movie in the Timeline, the video rate can be pulled up or down by 0.1%, regardless of the session frame rate. Though not a recommended workflow, earlier versions of Pro Tools also enabled pull down of QuickTime video clips when audio was pulled down, so this option is included in Pro Tools 5.3.1 and higher to maintain compatibility with earlier sessions.