 Complete the following phrase:  Designed by Ross Brawn, the A11 was the first Arrows car following the ban on turbocharged engines at the end of , being fitted with a normally-aspirated 3.5-litre Ford Cosworth DFR V8 engine. It was raced to reasonably good effect by Derek Warwick and Eddie Cheever in 1989, Warwick finishing in the top six on five occasions and briefly challenging for victory in the 