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PIMSO 2023 - Science - Secondary 1 - National Round Question 16

PIMSO Science · PIMSO 2023 - Science - Secondary 1 - National Round

Question 16

Which of the following is NOT accelerating?

Editorial assumption: For the intended idealized comparison, assume straight steady flight and a raindrop that has not reached terminal speed.
  1. an airplane flying at its maximum speed 900 km/hr
  2. an airplane starting to lift off
  3. a drop of rain falling
  4. a jeepney stopping for passengers
  5. none of the above