stuck on hw answer

A spaceship has suddenly experienced an oxygen leak such that its reserves will only last 10 minutes. The spaceship is drifting at a speed of1GD kilometers per hour towards the closest space station 1.200 kilometers away. A rescue shuttle is dispatched from the station. but it takes it 6 minutes to get ready. Furthermore, once the rescue shuttle reaches the spaceship. it takes two minutes for them to dock so that the spaceship's oxygen reserves can be replenished. What is the MINIMUM speed. in kilometers per hour. that the shuttle can travel and still save the spaceship from certain doom