If the pressure reading of your pitot tube is 15.0 mm Hg at a speed of 200 km/h

If the pressure reading of your pitot tube is 15.0 mm Hg at a speed of 200 km/h, what will it be at 700 km/h at the same altitude?

Answer:

Use Bernoulli’s equation,
image
Since the same fluid is passing through the pivot tube at same altitude. Thus,
image

Take the ratio of both pressures,

image