Nico Rosberg fastest in Sunday 's practice sessions for Australian Grand Prix . Temperatures reached a sweltering 50 degrees at Rosberg . `` It was crazy conditions out there , '' Rosberg , who took the checkered flag at the season opening Australian Grand Prix earlier this month , told the sport 's official website . ` Drivers will pay respects six people who went missing aboard Flight 370 before Friday 's race .
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 .