Alex Albon admits he was left with a "positive frustration" after a strong performance in the Saudi Arabian Grand Prix ended in retirement. The Williams driver bounced back from qualifying in P17 by making up positions during Sunday's race, and found himself potentially in the battle for points in 13th place. However, after reporting a sudden brake failure, Albon was forced to retire from the race on Lap 27 of 50, but feels positive about the performance of the car prior to this point. Albon hails Williams' progress "It's not fun driving this track without brakes!" Albon told media, including…