009 10.0points A girl ties a toy airplane to the end of a string and swings it around her head. The plane's average angular speed is 2.4 rad/s. In what time interval will the plane move through an angular displacement of 3.5 rad? 1. 1.30435 2. 1.25 3. 1.16667 4. 1.45833 5. 1.56 6. 1.52 7. 1.66667 8. 1.47619 9. 1.43478 10. 1.5 Answer in units of a