Nico Rosberg fastest in Sunday 's practice sessions for Australian Grand Prix . Temperatures reached a sweltering 50 degrees at Rosberg . Drivers will pay respects six people who went missing aboard Flight 370 before Friday 's race .
Nico Rosberg fastest in Friday 's practice sessions for Malaysian Grand Prix . Temperatures reached a sweltering 50 degrees at the Sepang Circuit . Drivers will pay respects 239 people who went missing aboard Flight 370 before Sunday 's race .