Original: In qualifying , Senna and Chandhok set the 23rd and 24th-quickest times to share the back row of the starting grid : Chandhok was finally able to complete his car 's first laps in anger and set a time 1.7 seconds slower than his team-mate , who was in turn just over eight seconds behind polesitter Sebastian Vettel .
Simplified: In qualifying , Senna and Chandhok set the two slowest times to share the back row of the starting grid : Chandhok was finally able to complete his car 's first laps at speed .