A ball is thrown straight up into the air. Its position at 7 instants of time is shown in the figure; the maximum height is reached at position 4. At which of the points is the speed of the ball largest? 1. Point 1 2. Point 2 3. Point 3 3O5 4. Point 4 5. Point 5 6. Point 6 7. Point 7 206 8. Exactly 2 of the points shown 9. More than 2 of the points shown 107 10. Impossible to determine

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