Trigonometry Word Problem ...

The following questions are for a final class project. Obviously these questions are very hard, and I am unsure how to completely answer these with the proper and complete work shown. Help on answering these questions with work/ steps would be greatly appreciated.

3. A plane takes off in a straight line and travels along for 10 seconds were it reaches a height of 400m.

a) If the plane is traveling at a speed of 65m/s what distance does it travel?

b) At what angle is the plane ascending? Draw a diagram.