Is there a way to play iTunes U files at 2x speed?

itunes audio speed playback

You can use one of iTunes replacements. Such as Miro4.

Related

Per-application sound balance in Windows 7
iPhone PPTP cannot use VPN DNS server
How do I keep Mac OS X from saving hidden files on my flash drive?
Lack of large 4:3 flatscreens / wide screen in portrait mode [closed]
Can I Change the Speed of Slideshows in OS X?
Passing through certain M-<key> command to OS in Emacs
Disk Utility Restore causes "Could not validate resource - Invalid Argument"
VPN sharing on Mac OS X 10.5 machine
What does it actually mean in windows when the cursor turns into an hourglass?
In "private mode", do browsers store cookies or temporary files (cache) on disk?
Can't control backlight; strange segfault
Does RAM timings with n-n-n-3n value perform better than anything else?