[问答题]
Compare the acceleration oojn-k/8 r r pc9un)dk6f a motorcyclr/ciriwhm7e lf1u 6j2m(n i ):9b: enee that accelerates from 80 km/h to 90 km/h with the acceleration i:/ ri:el6u ( fjh w een2mn97cm)1birof a bicycle that accelerates from rest to 10 km/h in the same time.