A jet airplane in level flight has a mass of 860 x 104 kg

Question

I need expert help to solve the following problem:

Problem: A jet airplane in level flight has a mass of 8.60 x 10⁴ kg, and the two wings have an estimated total area of 89.0 m².

Part I: What is the pressure difference between the lower and upper surfaces of the wings?

___ Pa

Part II: If the speed of air under the wings is 225 m/s, what is the speed of the air over the wings? Assume air has a density of 1.29 kg/m³.

__ m/s

Explain the each and every step in detail for help.