5 Amazing facts about deep space | अंतरिक्ष से जुडी रोचक बातें | #shorts

A 5.0xx10^(4) kg space probe is traveling at a speed of 11000 m/s through deep space. Auxiliary rockets are fired along the line of motion of reduce the probe's speed. The auxiliary rockets generate a force of 4.0xx10^(5)N over a distance of 2500 km. What is the final speed of the probe ?