The 23 - year - old rookie slammed into the wall on the fourth turn .
Dan Wheldon sped on by before the caution lights came on to claim his second Indy 500 victory Sunday .
The 23 - year - old rookie slammed into the wall on the fourth turn , and Dan Wheldon sped on by before the caution lights came on to claim his second Indy 500 victory Sunday .