 Dana, in the Rahal-Letterman car, was told to "go low" by his spotter.Slow-motion footage showed that Dana had hit debris from Carpenter's car just before impact, which caused damage to the right-front suspension and prevented effective braking.ABC/ESPN's telemetry indicated Dana's car hit Carpenter's car at about , while Scott Sharp, who was running alongside Dana, reported that he had slowed to approximately by the time of Dana's impact.