 a sailbot is a kind of object that travels 35 km in 5 hr & kilometers km are a metric unit used for measuring length / distance generally used for values between 1 and 50000000 & speed is a measure of distance travelled by an object divided by time & hours hr are a metric unit used for measuring time generally used for values between 025 and 72  -> the speed of the sailboat can be <mask> by dividing 35 by 5