**A**

One slug would equal 14.59 kilogram and 1ft would equal 0.3048m.

15N would be equal to 15 kilogram meter per second square.

1 slug = 14.59kg

1ft=0.3048m

15 N = 15 kg m / s^2

= 15 * (1/14.59) slug (1/0.3048) ft / s^2

= 3.373 slug ft / s^2

= 3.373 pounds

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