a Find the acceleration at time t 3 min of a helicopter whose height is s t 500t 3t m Give your answer as a whole or exact number a 3 10 b Assume that a helicopter height is s t 600t 3f m Consider the graph 20 30 40 50 60 70 50 419 Incorrect 90 Does this graph show that the helicopter is slowing down for 0 6 Yes No I