A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 7.7 m horizontally...

A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 7.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s