The year would be shorter. The year would be longer. The day would be shorter. The day would be longer.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: What change would occur if Earth's rate of rotation significantly increased?
Possibilities:
- The year would be shorter.
- The year would be longer.
- The day would be shorter.
- The day would be longer.

The day would be shorter.