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UPC A2 Simulation Movie 1: Exploration 2, Step 2: One pump of gas into container

UPC A2 Simulation Movie 2: Exploration 2, Step 3: Four more pumps

UPC A2 Simulation Movie 3: Exploration 2, Steps 4 & 5: Checking average speed

UPC A2 Simulation Movie 4: Exploration 2, Step 5: How is average speed affected by adding more gas?