On Interstate 10 You drive on Interstate 10 from San Antonio to Houston, half the time at 58 km/h and the other half at 70 km/h.

On Interstate 10 You drive on Interstate 10 from San Antonio to Houston, half the time at 58 km/h and the other half at 70 km/h. On the way back you travel half the distance at 58 km/h and the other half at 70 km/h. (a) What is your average speed from San Antonio to Houston? 1 km/h(b) What is your average speed from Houston back to San Antonio? and2 km/h (c) What is your average speed for the entire trip?3 km/h(d) What is your average velocity for the entire trip? 4 km/h(e) Describe in words the graph x versus t for (a), assuming the motion is all in the positive x direction