Red Bull director Helmut Marko has shared what Max Verstappen told him after retiring from the Australian Grand Prix last weekend. Verstappen only made it to lap four of the race in Melbourne before he had to retire with brake issues. And via Dutch publication De Telegraaf, Marko has now relayed the Dutchman’s take on the speed of rivals Ferrari. The three-time world champion was gunning for a 10th consecutive victory and had snatched pole position after Carlos Sainz topped Q1 and Q2. Sainz overtook him on the second lap of the race with the aid of DRS after Verstappen’s rear-brake problem cau…