You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.
 Question: Scott rolls two balls together until they strike each other. When Scott rolls the balls softly, they barely move apart, and when Scott thrusts the balls at one another, they are apart a 
 Choices: A)great distance 
B)small distance
great distance

Paragraph: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
 Question: Boris was tasked with developing a hypersonic rocket. He built two prototypes that were identical except that they have different gas velocities out of the nozzle. Which rocket was likely the slowest? 
 Choices: A)the rocket with highest gas velocity 
B)the rocket with lowest gas velocity
the rocket with lowest gas velocity

Paragraph: Larger telescopes can collect more light and see finer details than smaller telescopes.
 Question: The reason scientists use huge telescopes is because they collect 
 Choices: A)more light 
B)less light
more light