Alejandro measured the speed of sound in different materials. He recorded his data in the table, as shown. Materials Speed (m/s)
rubber 60
air 343
lead 1,210

What can he conclude about the speed of sound in these materials?
A.
Sound travels faster in lead than in air or rubber.

B.
Sound travels slower in lead than in air or rubber.

C.
Sound travels faster in air than in lead or rubber.

D.
Sound travels slower in air than in lead or rubber.