Final answer:
The speed of the peacock mantis shrimp's front legs in kilometers per hour is 82.8 km/h.
Step-by-step explanation:
The speed of the peacock mantis shrimp's front legs can be converted from meters per second to kilometers per hour by multiplying it by 3.6. So, the speed of the shrimp's front legs in kilometers per hour is 82.8 km/h.