| (A) | The acceleration is maximum at the mean position. |
| (B) | The velocity is maximum at the extreme position. |
| (C) | Acceleration is maximum at the extreme position. |
| (D) | The velocity is maximum at the mean position. |
| 1. | (B), (C), and (D) |
| 2. | (A) and (D) |
| 3. | (A) and (B) |
| 4. | (C) and (D) |