The first stage of a space vehicle consumed fuel and

Question

The first stage of a space vehicle consumed fuel and oxidizer at the rate of 2.20 x 10⁴ kg/s, with an exhaust speed of 3.25 x10³ m/s.

(a) Estimate the thrust produced by these engines?

N

(b) Obtain the acceleration of the vehicle just as it lifted off the launch pad on the Earth if the vehicle's initial mass was3.00 x 10⁶ kg. [Note: You must include the force of gravity to solve part (b).]

m/s² upward