Solution

Question\n\nThe height above the ground of a child on a swing varies from $0.5\,\mathrm{m}$ of his lowest point to $1.5\,\mathrm{m}$ at his highest point. The maximum speed of the child is approximately:\n\nContent coming soon. Write the full solution here, or use the part files (p-i.mdx, p-ii.mdx, …) for each part.