A caterpillar crawling up a leaf slows from 0.75 cm/s to 0.50 cm/s at a rate of -0.060 cm/s^2. How long does it take the caterpillar to make the change?

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve