Please answer

1. A hydroplane boat, made speed records be traveling 239 miles in 0.75 hours (45 minutes). What is it's record breaking speed? Express answer in 3 different units. 2. If Jessica ran from her house to the gym, 5 meters the rst second, eight meters the next second, and 8 meters the third second but going back to her house. a. what was her average speed? b. what was her average velocity? 2/3 3. A rocket ls traveling at 10 kmis. How long does it take the rocket to travel 3000 megameters ? 4. A racecar is traveling at 85.0 m/'s. How far does the car travel in 3.5 hours