Such is the rate of development in F1 that Adrian Sutil believes this year's cars will speed up by four second a lap before the end of the season. This year's Championship has seen the biggest technical shift in Formula One in more than a decade with the sport switching to 1.6-litre turbocharged V6 engines with ERS. The teams had their first taste of the new machinery this past week at Jerez where they spent - or at least tried to - four days putting in the laps. The week's fastest time belonged to McLaren rookie Kevin Magnussen with a 1:23.276. And although that was down on last year's best lap time, Sutil believes it's only a matter of time before the teams begin to pick up the pace....
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