An astronaut in the space shuttle orbiting the earth performs a trick for a television audience. She inflates a helium filled balloon within the shuttle’s controlled atmosphere and lets go of it. To the astonishment of all watching, the balloon (A) Hovers in place where it was released. (B) Rises noticeably away from the earth. (C) Falls noticeably towards the earth. (D) Drifts backwards opposite to the direction of the shuttle’s velocity.