How to find acceleration from given 2 masses and acceleration?

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To find the acceleration of the satellite toward the astronaut, one can apply Newton's third law, which states that for every action, there is an equal and opposite reaction. The astronaut, with a mass of 90 kg, accelerates toward the satellite at 0.55 m/s² due to the force exerted on the tether. This force also causes the satellite, which has a mass of 750 kg, to accelerate toward the astronaut, but at a different rate. The acceleration of the satellite can be calculated using the formula a = F/m, where F is the force exerted by the astronaut and m is the mass of the satellite. Understanding these principles of forces and accelerations is crucial for solving such problems in physics.
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an astronaut (with a spacesuit) of mass 90 kg is tethered to a 750 kg satellite. By pulling on the tether, she accelerates toward the satellite at 0.55 m/s^2. What is the acceleration of the satellite toward the astronaut?

I do not know how to start since I am guessing gravity doesn't apply
 
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Why is the astronaut accelerating toward the spacecraft after pulling on the tether?
Haven't you learned about forces and accelerations? Newton? Bueller?
 
ok I got I now.
I did ma=ma to find the missing acceleration.
thanks!
 

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