IsMounted.GetMountBuffInfo

From WoWWiki

This article is a part of the documentation of the IsMounted function library

IsMounted.GetMountBuffInfo( string unit )
   EX: local speed, slot = IsMounted.GetMountBuffInfo("player")
Returns: 
   (Number speed, Number slot)
   speed - percent speed increase of the mount (60 or 100) if unit is mounted,
           false if mount is not found
   slot - the buff slot id of the mount, nil if mount is not found or unit doesn't exist