Which statement is correct based on the data provided?

A.
Situation 4 has the lowest speed since it is a solid and it is the least dense.

B.
Situation 4 has a lowest speed since it is a vacuum and it is the most dense.

C.
Situation 1 has a higher speed since it is a solid and it is the most dense.

D.
Situation 1 has a higher speed since it is a vacuum and it is the least dense.