2014 USA Physics Olympiad Exam Answer Sheets 10 Answer for Part A,Question 3 Space-time graph for accelerated rocket.The positions of Fred and the Alien at t=0 are shown. ct 44小44 t=0 Alien Copyright C2014 American Association of Physics Teachers2014 USA Physics Olympiad Exam Answer Sheets 10 Answer for Part A, Question 3 x ct Space-time graph for accelerated rocket. The positions of Fred and the Alien at t = 0 are shown. t = 0 Alien Fred Copyright c 2014 American Association of Physics Teachers