CREATE TABLE table_43038 ("Rider" TEXT, "Bike" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

Who was the rider who had an accident time and a kawasaki zx-10r bike?
SELECT "Rider" FROM table_43038 WHERE "Time" = 'accident' AND "Bike" = 'kawasaki zx-10r'
SELECT "Rider" FROM "table_43038" WHERE "Bike" = 'kawasaki zx-10r' AND "Time" = 'accident'