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In air,the speed of sound S,in meters pe...

In air,the speed of sound S,in meters per second, is a linear function of the air temperature T,in degrees Celsius,and is givenby S T T = 0.6 +331.4() . Which of the following statements is the best interpretation of the number 331.4 in this context?

A

The speed of sound ,in metres per second, at `0^@C`

B

The speed of sound, in metres per second at `0.6^@C`

C

The increase in the speed of sound, in metres per second , that corresponds to an increase of `1^@C`

D

The increase in the speed of sound , in metres per second, that corresponds to an increase of `0.6^@C`

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