Respuesta :

felipegomes220

Answer:

This means the jet speed after 19s will be 587.9 m/s

Explanation:

each second the speed increases in 23.1 m/s, doing that for 19 seconds:

23.1 * 19 = 438.9 (do this math)

149 + 438.9 = 587.9 (do this math)

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