From Disc Two's main menu, click on "Deleted Scenes and Documentaries". From here, click on "Deleted Scenes Only." Clicking on this option will lead you to the page marked "Complete Podrace Grid Sequence". From this page, highlight "Doc Menu" and press right to highlight a small square. Hit enter to view a short featurette on this scene.
Now, advance to the next deleted scene page, entitled "Extended Podrace Lap Two". Just like before, highlight "Doc Menu" and press right. Now hit enter to view a short featurette about this particular scene.