Rates, SM-Bank 086 MC A woomera can throw a spear at a speed of 75 metres per second. What is the speed of the spear in metres per minute? 7500 4500 1.25 0.75 Show Answers Only \(B\) Show Worked Solution \(\text{Speed}\) \(=\text{Distance}\times \text{Time}\) \(=75 \times 60\) \(=4500\ \text{metres per minute}\) \(\Rightarrow B\)