The line graph shows the average proton speed in kilometers

Last updated: 3/1/2023

The line graph shows the average proton speed in kilometers second km s measured in the solar wind by Earth orbiting satellites at the start of each hour over a period of time beginning on May 20 per 2014 km s speed Average proton 350 340 330 320 310 2 00 a m 4 00 a m 6 00 a m A 345 B 338 C 330 D 314 8 00 a m 10 00 a m 2 00 p m 12 00 p m 4 00 p m Time 6 00 p m 8 00 p m 10 00 p m 2 00 a m 12 00 a m According to the line graph what was the average proton speed in km s at 4 00 a m